chiles



(No Model.) Y

J. B. GHILBS.

MAGHINB'FOB BBNDEING STIRRUPS. V No. 260,938. Patented July 11; 1882.

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UNITED STATES PATENT OFFICE.

JOHN B. GHILES, O`F KERNSTOWN, VIRGINIA.

MACHINE FOR BENDING STIRRUPS.

SPECIFICATION forming part of Letters Patent No. 260,938, dated July 11,1882.

Application filed March 18, 1882. (No model.)

To all whom it may concer-n Be it known that I, JOHN B. CHILES, ofKernstown, Frederick county, State of Virginia, have invented a new andImproved Ma-` chine for BendingWooden Stirrups; and I do hereby declarethatthe following is a full, clear, and exact description of the same,reference being had to the accompanyin gdrawin gs, forming part of thisspecification, in which- Figure l is a front end elevation. Fig. 2 is atransverse section, and Fig. 3 a perspective view of a wooden stirrup.

Thisinvention has for its purpose the bending of stirrups from asuitably-prepared blank of wood; and it consists in the peculiarconstruction and arrangement of the parts, as hereinafter more fully setforth.

In the drawings, A represents a vertical standard forming the mainsupport of the machine, which is itself held upon any suitablefoundation.

Brepresents a transverse beam or plate properly secured to the standardA, which beam serves as a basis of support for the formerblock and thebending mechanism.

C represents the formerblock projecting from the face of beam B, asshown, which is formed in such manner that its outer surface correspondsexactly with the inner surface of a properly-shaped stirrup.

D represents a lever pivoted in the vertical standard A, and extendingthrough the same from front to rear, the front end of which is providedwith a horizontal portion, d, adapted, when the lever is properlyactuated, to press in an upward direction and clamp the blank againstthe bottom of the former.

d represents a connecting-rod, by means of which the rear end ofclamping-lever D is united to the foot-lever d2 near one end of thesame, as shown.

d3 represents a rack-plate, by means of which thefoot-lever, whendepressed to clamp a blank, may be held in any desired position.

E E represent bearings extending from the beam B at its ends, whichbearings support the shaft e, having the crank e or otherV proper meansfor communicating motion.

e2 e2 represent pinions upon the shaft, which teeth bf which engage withthe pinionsff, as

shown.

g g represent former-plate projections for the gear end, which areshaped in such manner as to coincide exactly with the outer surface ofone side of the stirrup-former block O.

, H `represents a screw-clamp of the usual well-known or any otherproper construction, the purpose of which will be hereinafter explained.

\ The operation' is substantially as follows: The wooden blank, havingbeen previously shaped and steamed,is broughtto the machine, and isplaced centrally upon the horizontal portion d of the lever D. Thefoot-lever d2 is then actuated to cause the portion d to clamp the blankagainst the bottom of the formerblock. When the blank is thus stronglysecured in its proper place the shaft'e is actuated to cause, throughthe intermediate mechanism described, the former-plates g g to shape theblank to the sides of the former-block C. When the blank has been thusbent into proper form the screw-clamp H is applied thereto for thepurpose of holding the upper ends of the same securely while thesecuring rod is passed through the center block and riveted. Thecompleted stirrup may then be removed to make place for another blank.

The machine .possesses greatefciency in the performance of the work forwhich it is designed, and its construction is durable and simple.

I am aware that timber has heretofore been bent into any desired form bymeans of aformer made of exactly the shape which it is desired thetimber should have when bent, around which former the timber is bent bymeans of gear-wheels and cam-gear, and I therefore lay no claim,broadly, to such construction and arran gement of parts for Y bendingwood, my invention being intended` to cover the arrangement andconstruction of parts for bending wooden stirrups as' pointed out in theclaims.`

Having thus described my invention, what G G, each provided with a.former-plate, g, I claim sl former-block G, clamping mechanism D d d2,ro

1. As an improved article of manufacture, I and operating mechanism F Fff, substanthe sector-gear G, adapted to be pivoted as tially asdescribed.

5 set forth, and provided with a fornier-plateyg, JOHN B. GHILES.

on one of its edges of the congurution of one- VVituesses: 4 half of astirrup, substantially as describede PHILIP W. BOYD,

2. The combinationof the segmental gears L. N. BARTON.

